/**
  * @copyright Copyright (c) 2022, HiSilicon (Shanghai) Technologies Co., Ltd. All rights reserved.
  * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
  * following conditions are met:
  * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
  * disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
  * following disclaimer in the documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
  * products derived from this software without specific prior written permission.
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  * @file    acmp_hal_sample.c
  * @author  MCU Driver Team
  * @brief   This file shows a sample of PMC.
  */
#include "pmc_ip.h"
#include "sample_pmc_wakeup.h"
#include "debug.h"
#include "crg.h"
#include "main.h"

#define PMC_UART_BAUDRATE 115200

/**
  * @brief User callbaclk after wakeup from deepsleep.
  * @param handle pmc handle.
  * @retval None
  */
static void UserFuncAfterWakeup(void)
{
    HAL_CRG_IpEnableSet(UART0_BASE, IP_CLK_ENABLE); /* Open uart's clock */
    HAL_UART_Init(&g_uart0); /* initialize uart */
    DBG_PRINTF("wakeup from deepsleep.\r\n");
}

/**
  * @brief A sample of PMC's HAL layer.
  * @param None.
  * @retval None
  */
void PmcWakeupSample(void)
{
    int count = 0;
    PMC_LowpowerType wakeupType;
    SystemInit();
    wakeupType = HAL_PMC_GetWakeupType(&g_pmc);
    if (wakeupType == PMC_LP_DEEPSLEEP) {
        UserFuncAfterWakeup();
    }
    while (1) {
        if (count == 1000) { /* 1000: Enter lowpower mode every 1 second */
            count = 0;
            DBG_PRINTF("Enter deep sleep mode.\r\n");
            BASE_FUNC_DELAY_MS(100); /* Delay 100ms to wait for uart output all data */
            HAL_UART_DeInit(&g_uart0); /* deinitialize uart */
            HAL_CRG_IpEnableSet(UART0_BASE, IP_CLK_DISABLE); /* Close uart's clock */
            HAL_PMC_EnterDeepSleepMode(&g_pmc); /* Enter deep sleep mode */
        }
        BASE_FUNC_DELAY_MS(1); /* Delay 1ms */
        count++;
    }
}